/**
 * Copyright 2019 Anthony Trinh
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ch.qos.logback.core.net.server;

import java.io.IOException;

import ch.qos.logback.core.Context;
import ch.qos.logback.core.spi.ContextAwareBase;

/**
 * A mock {@link ServerRunner} with instrumentation for unit testing.
 *
 * @author Carl Harris
 */
public class MockServerRunner<T extends Client> extends ContextAwareBase
    implements ServerRunner<T> {

  private IOException stopException;
  private int startCount;
  private boolean contextInjected;

  @Override
  public void setContext(Context context) {
    contextInjected = true;
    super.setContext(context);
  }

  public void run() {
    startCount++;
  }

  public void stop() throws IOException {
    if (stopException != null) {
      throw stopException;
    }
    startCount--;
  }

  public boolean isRunning() {
    return startCount > 0;
  }

  public void accept(ClientVisitor visitor) {
    throw new UnsupportedOperationException();
  }

  public int getStartCount() {
    return startCount;
  }

  public boolean isContextInjected() {
    return contextInjected;
  }

  public void setStopException(IOException stopException) {
    this.stopException = stopException;
  }

}
